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Holyoke Water Works

Published drinking-water records and contacts for Holyoke Water Works. System MA1137000. Review sources and dates; not a real-time water assessment.

System ID
MA1137000
State or territory
MA
Published population served
37838
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
4:2 FTS< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
6:2 FTS< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
8:2 FTS< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-12-03Manham Unblended / 10042
ADONA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
HFPO-DA< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
NFDHA< 0.02 µg/L0.02 µg/L2024-12-03Manham Unblended / 10042
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-12-03Manham Unblended / 10042
PFBA< 0.005 µg/L0.005 µg/L2024-12-03Manham Unblended / 10042
PFBS< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFDA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFDoA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFEESA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFHpA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFHpS< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFHxA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFHxS< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFMBA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFMPA< 0.004 µg/L0.004 µg/L2024-12-03Manham Unblended / 10042
PFNA< 0.004 µg/L0.004 µg/L2024-12-03Manham Unblended / 10042
PFOA< 0.004 µg/L0.004 µg/L2024-12-03Manham Unblended / 10042
PFOS< 0.004 µg/L0.004 µg/L2024-12-03Manham Unblended / 10042
PFPeA< 0.003 µg/L0.003 µg/L2024-12-03Manham Unblended / 10042
PFPeS< 0.004 µg/L0.004 µg/L2024-12-03Manham Unblended / 10042
PFTA< 0.008 µg/L0.008 µg/L2024-12-03Manham Unblended / 10042
PFTrDA< 0.007 µg/L0.007 µg/L2024-12-03Manham Unblended / 10042
PFUnA< 0.002 µg/L0.002 µg/L2024-12-03Manham Unblended / 10042
lithium< 9 µg/L9 µg/L2024-12-03Manham Unblended / 10042

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0.009 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.0078 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0.0044 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.0053 mg/L2017-01-01 – 2017-06-302026Q3
Lead (PB90) 0.0081 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.0081 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.0081 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.015 mg/L2009-01-01 – 2011-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
N-METHYL PERFLUOROOCTANESULFONAMIDOACETIC ACID - NMEFOSAABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUOROHEPTANOIC ACID-PFHPABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUOROOCTANESULFONIC ACID-PFOSBelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
N-ETHYL PERFLUOROOCTANESULFONAMIDOACETIC ACID - NETFOSAABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUORODECANOIC ACID - PFDABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUOROUNDECANOIC ACID - PFUNABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUOROTETRADECANOIC ACID - PFTABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
PERFLUOROHEPTANOIC ACID-PFHPABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFIELD RD WTP POST TREATMENT / Massachusetts EEA PFAS monitoring results
PERFLUOROBUTANESULFONIC ACID-PFBSBelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFIELD RD WTP POST TREATMENT / Massachusetts EEA PFAS monitoring results
PERFLUORONONANOIC ACID-PFNABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFIELD RD WTP POST TREATMENT / Massachusetts EEA PFAS monitoring results
PERFLUORODODECANOIC ACID - PFDOABelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results
11-CHLOROEICOSAFLUORO-3-OXAUNDECANE-1-SULFONIC ACID-11CL-PF3OUDSBelow a limit; numeric threshold unavailable ng/L2026-07-23WESTFILD RD WTP MANHAN UNBL POST TRE / Massachusetts EEA PFAS monitoring results

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

30 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2018-07-01 – 2018-09-30ResolvedNo2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Holyoke Water Works: 4135360442

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records